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# Important Information About Exponential and Reciprocal Functions

Using a present value table, your calculator, or a computer program present value function, answer the following questions. Assistance is needed with the formula to calculate the problems:

Required:
a. What is the present value of nine annual cash payments of \$4,000, to be paid at the end of each year using an interest rate of 6%?

b. What is the present value of \$15,000 to be paid at the end of 20 years, using an interest rate of 18%?

c. How much cash must be deposited in a savings account as a single amount in order to accumulate \$300,000 at the end of 12 years, assuming that the account will earn 10% interest and the interest is reinvested?

d. How much cash must be deposited in a savings account (as a single amount) in order to accumulate \$50,000 at the end of seven years, assuming that the account will earn 12% interest and the interest is reinvested"

#### Solution Summary

The solution provides step by step method for the calculation of interest rate under Exponential and Reciprocal Functions . Formula for the calculation and Interpretations of the results are also included.

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